Improvement in bed-bottoms



W. H. LEININGER. Bed-Bottom.

No. 212,954. Patentd Mar. 4, 1879.

WITNESSES: if INYENTOR: W X

ATTORNEYS. i

N. PETERS, PHGTO-LITHOGRAPHER. WASHINGTON. D c

NTTED STATES PATENT QFFIGE WILLIAM H. LEININGER, OF SALEM, OREGON.

IMPROVEMENT IN BED-BOTTOMS.

Specification forming part of Letters Patent No. 212,954, dated March 4,1879; application filed August 29, 1878.

To all whom it may concern:

Be it known that I, WILLIAM H. LEININGER, of Salem, in the county ofMarion and State of Oregon, have invented a new and Improved SpringBed-Bottom; and I do hereby declare that the following is a full, clear,and exact description of the same.

The object of my invention is to effect an improvement in the class ofwire bed-bottoms, more particularly those in which themattresssupporting wires, stretched from end to end of the bed-frame,are attached to springs.

My improvement consists in forming the bed-bottom proper of lengths ofwire or wires, which pass around pins set in the ends of the bed-frame,and which are stretched over rubber strips in proximity to the rows ofpins, for the purpose of giving great elasticity to the wires andpreventing sharp bends in the same, and also preventing contact with theangles of the end pieces of the bed-frame where the wires pass over thelatter.

In the accompanying drawings, Figure 1 is a longitudinal verticalsection of my improved bed-bottom on line as a: of Fig. 2. Fig. 2 is anend elevation, with part in section. Fig. 3 is a plan View of a portionof the bedbottom.

The rectangular frame A of the bed-bottom has a horizontal row of pinsor pegs, a, set in the outer side of each transverse end bar, B. Tothese pins the wire or wires 0, which compose the support for themattress, are attached, as hereinafter described.

A series of parallel kerfs are sawed transversely in the upper side andouter corner of the bars D, whichform the heads proper of the frame A,and to the outer side of each transverse bar B is attached a thickrubber strip or slab, E, the same being arranged parallel to and nearthe upper side of the head. Another rubber strip or slab, F,is placed ina recess formed in the upper side of the heads D, parallel to and nearthe outer edge thereof. The wires 0 are stretched tightly over saidrubber strips E and F, and arranged in the kerfs of heads D, as shown.

The elasticity of the wires individually, and hence of themattress-support as a whole, depends, mainly, upon the yielding tensionimparted by the end strips, E, and the latter likewise serves to preventcontact of the wir with the corners of the head-pieces D, so th thewires are not bent at a sharp angle, a1 are, therefore, not liable to bebroken at the points.

The upper elastic strip, F, supplements t function of the end strips, E,so far as relat to forming an elastic support for the wires I prefer toform the mattress-support of 0 continuous length of wire, the ends of tsame being attached to diagonally oppos' pegs, and the intermediateport-ion passi around a pair of pegs at each end of the fraialternately, as shown in Fig. 2.

By applying the wire in a continuous pie the labor and cost ofmanufacturing the b( bottom are reduced, and its elasticity is apromoted, since the tension of each individi length or strand of wire ismade to depe more or less upon the elasticity of the G( tiguous lengthsor strands.

I am aware that an elastic strip has be applied to the seat-frame of acane-bottom chair for the purpose of preventing the strai of the canefrom being broken by downwz pressure against the inner edge of the franbut my invention embodies a different priuci of construction, and aimsat and attains 2H ferent or new result.

WVhat I claim is- 1. As the improvement in bed-bottoms ht in described,the combination, with the I( angular frame A, having slotted heads D andthe wires 0, of the elastic strips F,pla in a recess in the upper sideof the said hea and the transverse bar B, pins a, and ela: strips E, allas shown and described, for purpose specified.

2. The combination, with frame A, hav transverse bar B, pins to, set inthe outer si thereof, the heads D D, and elastic strip: and F, of thewire 0, made in one continu length, having its ends attached to diagon:opposite pins, and the intermediate port looped over pairs of pins, asshown and scribed.

WILLIAM H. LEININGEI Witnesses:

JAMES WALTON, SETH 1t. HAMMER.

